Tungsten Alloy for Military Defense
Tungsten Alloy for Military Defense
Why tungsten heavy alloy is adopted in military?
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Nowadays, tungsten heavy alloy is increasingly adopted as the raw material to make parts of military products, such as bullet, armor and shells, shrapnel head, grenade, hunting gun, bullet warheads,bulletproof vehicles, tank panzers, cannons, firearms, etc. A major use for tungsten heavy alloys is in kinetic energy penetrators, where they are in direct competition with depleted uranium (DU). Recent investigations conducted at the Army Research Laboratory show that DU’s superior properties resulted from its ability to localize shear during ballistic penetration events. Therefore, it was argued that if localized shear can be imparted to tungsten heavy alloys, these alloys would exhibit penetration performance matching that of depleted uranium (which had become an environmental problem). |
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You can image the subject envisions a penetrator, dropped from service height of a bomber aircraft, using kinetic energy to penetrate the shielding, and subsequently deliver a nuclear explosive to the buried target.
The problem with such a penetrator is the tremendous heat applied to the penetrator unit when striking the shielding (surface) at hundreds of meters per second. This has partially been solved by using metals such as tungsten (with a much higher melting point than steel), and altering the shape of the projectile (such as an ogive).(You can get more information from http://en.wikipedia.org/wiki/Nuclear_bunker_buster)
In fact, in the World War Ⅱ, tungsten has already been used as an important raw material to make weapons for military defense. There is abundant wolframite ore reserves found then in Portugl, which is used to produce tungsten concentrates.
Following pictures are the products offered by CTOMS
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Tungsten Alloy Cubes |
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R5×5×5mm |
R3×3×3mm |
R3.2×3.2×3.2mm |
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